Robert Ceagle Posted March 24, 2022 Share Posted March 24, 2022 Got a 2010 Mack Pinnacle dump truck and all the lights come on R&L Turn, Head Lights, Cabs, Side Markers & Brake Lights work fine and all light up however, the blinkers do not blink. I have no fuse box diagram for this truck can anyone help please. Quote Link to comment https://www.bigmacktrucks.com/topic/69430-no-turn-signals-lights-work-2010-mack-pinnacle-dump-truck/ Share on other sites More sharing options...
Mackpro Posted March 25, 2022 Share Posted March 25, 2022 Check/replace the flasher . It’s in the fuse box on top of the dash . It’s to the left of alll the small fuses , its square and tall and has only 2 prongs. It could possibly be melted and stuck to the fuse box , this was a common problem and there was even a recall about it . Use only a Mack flasher as it has longer prongs to reach through the thick fuse panel housing . Aftermarket flashers have shorter prongs and barley reach the wires to make contact. This caused a poor connection and it would over heat and melt the flasher to the fuse box housing . Quote Link to comment https://www.bigmacktrucks.com/topic/69430-no-turn-signals-lights-work-2010-mack-pinnacle-dump-truck/#findComment-493275 Share on other sites More sharing options...
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